EM-TECH LLC
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 15, 2009 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 139 Total Citation Count
- Sep 28, 2000 Earliest Filing
- 15 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2009/0257,816 ERASABLE INK FOR POROUS TIP WRITING INSTRUMENTSAbandonedApr 15, 08Oct 15, 09[B43K, C09D]
7019518 Non-contacting apparatus and method for measurement of ferromagnetic metal thicknessExpiredOct 16, 01Mar 28, 06[G01B]
6744263 Apparatus and method for the measurement of electrical properties of materials through non-magnetizable materialsExpiredDec 11, 00Jun 01, 04[G01N, G01R]
6630831 Measurements of electrical properties through non magneticially permeable metals using directed magnetic beams and magnetic lensesExpiredSep 04, 01Oct 07, 03[G01V]
6628118 Method and apparatus for control of magnetic flux direction and concentrationExpiredSep 28, 00Sep 30, 03[G01N, G01R, G01V]
6597177 Through casing resistivity measurement in permanently installed downhole production environmentExpiredNov 20, 00Jul 22, 03[G01V]
2002/0093,345 Zero to 100% water in liquid hydrocarbon flow meterAbandonedDec 11, 00Jul 18, 02[G01R]
2002/0093,458 Use of phase coded permeability lensing to obtain directional information in electro-magnetic radiationAbandonedJan 02, 02Jul 18, 02[H01Q]
6392421 Spectral EM frequency metallic thickness measurement using metallic transparenciesExpiredNov 20, 00May 21, 02[G01R]
6351245 Use of phase coded permeability lensing to obtain directional information in electro-magnetic radiationExpiredDec 11, 00Feb 26, 02[H01Q]
2001/0038,287 Logging tool for measurement of resistivity through casing using metallic transparencies and magnetic lensingAbandonedFeb 12, 01Nov 08, 01[G01V]
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